Text color for the PREV & NEXT buttons. If this setting is not specified, color will default to the color used for txtClr. Use this setting when txtClr and bkgdClr are similar.
Default = txtClr

theme

To get started quickly, you can use one of three base themes: ‘default’, ‘green’, or ‘silver’. Note: To use theme, please deactivate the following config options: bkgdClr, itemClr, txtClr, hoverClr & hoverTxtClr.